The answer is D.
You have to get x by itself so add 3 to 7 that equals 10. The signs stay the same so it’s D
Answer:
The answer is B (2).
Step-by-step explanation:
Set up the equation
320 = 80c
When solved for c, That is how many chairs she can buy,
Then add 3, for the three free chairs she gets
Answer:
x=13
Step-by-step explanation:
15x-15
15*13=195
195-15=180
Answer:
it took him 5 years
Step-by-step explanation: